Aptamer-target interaction descriptor
Aptamer-target interaction information
Interaction ID: 740
Aptamer sequence: CAGGTGGCAGATCGGGTGTGGGTGGCCTGG
Target unique ID: 442530
Aptamer ID Aptamer descriptor Target chemistry Target name Affinity Binding Conditions/Buffer PubMed ID
Apta_679 2.9 Molecule Ochratoxin A 0.96 μM 10 mM HEPES, pH 7.0, 120 mM NaCl, 5 mM KCl, 5 mM MgCl2 18983163
Structure information of aptamer
Aptamer Sequence: CAGGTGGCAGATCGGGTGTGGGTGGCCTGG
The optimal secondary structure in dot-bracket notation: (((((.((..((.....))..)).))))).
The centroid secondary structure in dot-bracket notation: (((((.((.............)).))))).
The MFE structure
The Centroid structure
The mountain plot representation
Aptamer information
Type Detail Type Detail
Aptamer ID Apta_679 Description 2.9
Aptamer chemistry DNA Length 30 nt
GC content 70.0% Molecular weight 9,416.02 Da
Molarity of 1 μg/μl solution 106.20 μM Number of G-quadruplexes 2
G-Score 20 Function Aptasensor
Sequence CAGGTGGCAGATCGGGTGTGGGTGGCCTGG
Applications Determination of Ochratoxin A
Target information
Type Detail Type Detail
PubChem ID 442530 Molecular name Ochratoxin A
Molecular formula C20H18ClNO6 Molecular weight 403.8
IUPAC name (2S)-2-[[(3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydroisochromene-7-carbonyl]amino]-3-phenylpropanoic acid InChIKey RWQKHEORZBHNRI-BMIGLBTASA-N
LogP 2.573 Topological polar surface area 112.93
Hydrogen bond acceptor 5 Hydrogen bond donor 3

Synonym(s):
OCHRATOXIN A; 303-47-9; Phenylalanine - ochratoxin A; Antibiotic 9663; 3R14S-Ochratoxin A; CHEBI:7719; (-)-N-((5-Chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl)-3-phenylalanine; Ochratoxin A, aspergillus ochraceus; MFCD00078079; Ochratoxin A-BSA conjugate from Aspergillus ochraceus; N-(((3R)-5-Chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl)-3-phenyl-L-alanine; OTA; NCI-C56586; NSC 201422; UNII-1779SX6LUY; N-{[(3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-isochromen-7-yl]carbonyl}-L-phenylalanine; (2~{S})-2-[[(3~{R})-5-chloranyl-3-methyl-8-oxidanyl-1-oxidanylidene-3,4-dihydroisochromen-7-yl]carbonylamino]-3-phenyl-propanoic acid; (2S)-2-[[(3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydroisochromene-7-carbonyl]amino]-3-phenylpropanoic acid; (2S)-2-{[(3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-2-benzopyran-7-yl]formamido}-3-phenylpropanoic acid; Ochratoxin A 10 microg/mL in Acetonitrile; 1779SX6LUY; (R)-N-((5-Chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-1H-benzo(c)pyran-7-yl)carbonyl)-3-phenylalanine; Ochratoxin A(OTA); N-{[(3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-2-benzopyran-7-yl]carbonyl}-L-phenylalanine; CBiol_002012; SCHEMBL15105; CHEMBL589366; GTPL4672; MEGxm0_000357; DTXSID7021073; ACon0_000200; ACon1_001268; Alanine, N-[(5-chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl]-3-phenyl-, (-)-; Bio1_000298; Bio1_000787; Bio1_001276; L-Phenylalanine, N-[(5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-yl)carbonyl]-, (R)-; ZINC3861782; BDBM50485598; AKOS024456512; MCULE-3363875457; N-[(3R)-(5-Chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl]-L-phenylalanine; SMP2_000132; NCGC00162403-01; NCGC00162403-02; NCGC00162403-03; NCGC00162403-04; NCGC00162403-05; C09955; J-017922; Ochratoxin A 10 microg/mL in Acetonitrile:Methanol; Q1885038; BRD-K39944607-001-01-4; Ochratoxin A, from Petromyces albertensis, >=98% (HPLC); Ochratoxin A, reference material, from Aspergillus ochraceus; Ochratoxin A, purum, >=98.0% (TLC), from Aspergillus ochraceus; Ochratoxin A solution, 10 mug/mL in acetonitrile, analytical standard; (-)-N-((5-Chloro-8-hydroxy-3-methyl-1-oxo-7-isochromanyl)carbonyl-3-phenylalanine; (2S)-2-{[(3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-2-benzopyran-7-carbonyl]amino}-3-phenylpropanoic acid; (R)-N-((5-Chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-yl)-carbonyl)-L-phenylalanine; (R)-N-((5-Chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-yl)carbonyl)phenylalanine; (S)-2-((R)-5-chloro-8-hydroxy-3-methyl-1-oxoisochroman-7-carboxamido)-3-phenylpropanoic acid; 97U; N-[(3R)-5-chloro-8-hydroxy-3-methyl-1-oxo-3,4-dihydro-1H-2-benzopyran-7-carbonyl]-L-phenylalanine; N-[(5-Chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-yl)carbonyl]phenylalanine, 9CI; N-[[(3R)-5-Chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-yl]carbonyl]-L-phenylalanine; NCGC00162403-05_C20H18ClNO6_L-Phenylalanine, N-[[(3R)-5-chloro-3,4-dihydro-8-hydroxy-3-methyl-1-oxo-1H-2-benzopyran-7-yl]carbonyl]-; Ochratoxin A solution, certified reference material, 50 mug/mL in benzene: acetic acid (99:1), ampule of 1 mL

Activity data

No relevant experimental diagram

Interaction ID 740
Target type Molecule
Target unique ID 442530
Activity 0.96 μM
Binding Conditions/Buffer

10 mM HEPES, pH 7.0, 120 mM NaCl, 5 mM KCl, 5 mM MgCl2

Assay

N/A

PubMed ID 18983163
Similar aptamers
Aptamer ID Aptamer chemistry Sequence Similarity
Apta_673 DNA GCAGTCCTAGATCGGGTGTGGCTGGCTTGG 76.67%
Apta_676 DNA TCAGTCCCGATCAGGTGTGGGTGGCATTGG 73.33%
Apta_681 DNA CCTGACGATCGGGTGTGGGTTGGCTTGAGG 70.00%
Apta_682 DNA CCTTGTAGATCGGGTGTGGTTTGGCGTAGG 70.00%
Apta_20 DNA AGAGGGGGGGGTGGGGGTGGCCTGC 66.67%
Apta_671 DNA GCATCTGATCGGGTGTGGGTGGCGTAAAGG 66.67%
Apta_683 DNA GCAGTACGATCGGGGGTGGGTGGATGTAGG 66.67%
Apta_757 DNA GGTGGTGGTGGTTGTGGTGGTGG 66.67%
Apta_75 DNA CACTGGTAGGTTGGTGTGGTTGGGGCCAGTG 64.52%
Apta_46 DNA CGGGTGGGAGTTGTGGGGGGGGGTGGGAGGGTT 63.64%
Apta_350 DNA GGTGGTGGTGGTTGTGGTGGTGGTGG 63.33%
Apta_675 DNA ACTGTCCGTCGGGTTTAGGGTGGCGTTCGG 63.33%
Apta_700 DNA GCAGGGGCGTTCGGGGGGTACCGCTGC 63.33%
Apta_1205 DNA GGCAGGTGGTGTTGGTTGGTTGTGCGTGGAGTTGG 62.86%
Apta_1210 DNA GGGGAGGCAGTGTGTTGTGTCGTGTGTGTGCTTGG 62.86%
Apta_11 DNA AGAGGGGGGGGTCGGGGTGGGTCGC 60.00%
Apta_12 DNA TGAGGGGGTGGGTGGGACGGGTTGG 60.00%
Apta_13 DNA AGGGGGGGGGGAGGGGTCGGGGTGG 60.00%
Apta_24 DNA TGTGGGGATGGATGGGCCGGGCTGC 60.00%
Apta_27 DNA AGGGGGAGGGGTGGGGCCGGGCAGA 60.00%